WSPA12 PHFO 181733
SIGPAY

KZAK SIGMET YANKEE 9 VALID 181730/182130 PHFO-
OAKLAND OCEANIC FIR EMBD TS OBS AT 1730Z WI N2730 W16145 - N2615
W15815 - N1930 W16530 - N1930 W17130 - N2100 W17130 - N2215 W16730 -
N2730 W16145. TOP FL470. MOV ESE 25KT. NC.